68809840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78193}}^1$

素因数の和:78217

約数の個数: 40

約数和(自身を含む): 174529008

約数和(自身を除く): 105719168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 78193, 156386, 312772, 390965, 625544, 781930, 860123, 1251088, 1563860, 1720246, 3127720, 3440492, 4300615, 6255440, 6880984, 8601230, 13761968, 17202460, 34404920, 68809840]

約数ペア:

[(1, 68809840), (2, 34404920), (4, 17202460), (5, 13761968), (8, 8601230), (10, 6880984), (11, 6255440), (16, 4300615), (20, 3440492), (22, 3127720), (40, 1720246), (44, 1563860), (55, 1251088), (80, 860123), (88, 781930), (110, 625544), (176, 390965), (220, 312772), (440, 156386), (880, 78193)]